[FIXED] [8.2] Essences Rank 4 Upgrade

[FreakzStaff]

You shouldn't be able to infuse Rank 4 Essence unless you've previously infused your Heart of Azeroth with Rank 3 of the Essence.

Here you can see me infusing my Heart of Azeroth with Rank 4 upgrade, whilst having Rank 2: https://imgur.com/a/cY0JtwP

Sources; https://www.wowhead.com/guides/heart-of-azeroth-essence-overview
and
https://twitter.com/WarcraftDevs/status/1143675122940702721?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1143675122940702721%7Ctwgr%5E%7Ctwcon%5Es1_&ref_url=https%3A%2F%2Fwww.wowhead.com%2Fnews%2Frank-4-azerite-essences-require-rank-3-to-unlock-292691

Trello Card Link : https://trello.com/c/DiYr6zVj/616-82-essences-rank-4-upgrade